Protective plate for a welding filter in a welding helmet



FIG. 1 is a perspective view of a protective plate for a welding filter in a welding helmet showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirror image;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The details shown in broken lines form no part of the claimed design. 

The ornamental design for a protective plate for a welding filter in a welding helmet, as shown and described. 